21010211200222 has 8 divisors (see below), whose sum is σ = 31515376755672. Its totient is φ = 10505085615000.

The previous prime is 21010211200207. The next prime is 21010211200241. The reversal of 21010211200222 is 22200211201012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21010211200196 and 21010211200205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8641929 + ... + 10802932.

It is an arithmetic number, because the mean of its divisors is an integer number (3939422094459).

Almost surely, 2^{21010211200222} is an apocalyptic number.

21010211200222 is a deficient number, since it is larger than the sum of its proper divisors (10505165555450).

21010211200222 is a wasteful number, since it uses less digits than its factorization.

21010211200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19985114.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21010211200222 its reverse (22200211201012), we get a palindrome (43210422401234).

The spelling of 21010211200222 in words is "twenty-one trillion, ten billion, two hundred eleven million, two hundred thousand, two hundred twenty-two".